27 May - 03 June 2025
Rainfall
Temperature
Rainfall anomalies
- More than usual rainfall expected over western Ethiopia, north-eastern and western South Sudan South-eastern Sudan and isolated areas in western Kenya and southern Tanzania.
- Less than usual rainfall expected over most parts of Somalia, Uganda, southern Ethiopia, and parts of southern and northern South Sudan.
Temperature anomalies
- Warmer than usual temperatures expected over most parts of the GHA.
- Cooler than usual temperatures expected over parts of northern Sudan and other few areas across the GHA.
- Rainfall exceeding the 90th percentile (the highest 10% on record) expected over few areas in western Ethiopia and South Sudan.
Mean temperatures
- High temperatures (> 32℃) expected in southern regions of Sudan, coastal Eritrea, north-eastern Ethiopia, Djibouti, and coastal areas of northern Somalia.
- Moderate to high temperatures (20-32℃) expected over most parts Sudan, South Sudan, Uganda, north-western and coastal Tanzania, northern and eastern Kenya, Somalia, Eritrea, south-eastern Ethiopia.
- Mild temperature conditions (less than 20℃) expected over Rwanda, Burundi, parts of central and south-western Tanzania, central to western Kenya, south-western Uganda and the Ethiopian highlands.
Heat Stress
- Elevated heat stress levels expected in Afar region in Ethiopia, southern Sudan and northern coastal Somalia.
Total rainfall
- Moderate rainfall (50-200mm) expected in most parts of South Sudan, southern areas of Sudan, and western Ethiopia.
- Light rainfall (less than 50 mm) expected over most parts of Uganda, Rwanda, western and coastal Kenya, southern and eastern Tanzania, central to southern Somalia, central Ethiopia, western Eritrea, southern areas of Sudan, and south-eastern parts of South Sudan.
